Keysight NFA Series Noise Figure Analyzers Service Guide 457
Assembly Replacement Procedures
Front Frame Assembly
Front Frame Assembly
Removal
1. Remove the instrument outer case. Refer to the “Instrument Outer Case”
removal procedure.
2. If Option EXM, External Mixing, is installed disconnect semi-rigid cable
connection (2) on LO/IF cable.
3. Refer to Figure 15-51. Using the T-10 driver, remove the eight screws (1),
four on each side, to detach the Front Frame Assembly from the chassis.
Figure 15-51 Front Frame Assembly Removal
Make sure any connectors on the front panel are removed.
If the analyzer has Option PRC, Portable Configuration, and you want to
remove the bail handle and bumpers from the front frame, refer to the “Bail
Handle Removal (Option PRC)” section on page 459.
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